Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/bookmarks/recently_used_folders_combo_model_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/bookmarks/recently_used_folders_combo_model.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
@@ skipping 28 matching lines @@
  private:
   bool changed_;
 
   DISALLOW_COPY_AND_ASSIGN(TestComboboxModelObserver);
 };
 
 class RecentlyUsedFoldersComboModelTest : public testing::Test {
  public:
   RecentlyUsedFoldersComboModelTest();
 
-  virtual void SetUp() override;
-  virtual void TearDown() override;
+  void SetUp() override;
+  void TearDown() override;
 
  protected:
   BookmarkModel* GetModel();
 
  private:
   base::MessageLoopForUI message_loop_;
   content::TestBrowserThread ui_thread_;
   content::TestBrowserThread file_thread_;
   scoped_ptr<TestingProfile> profile_;
 
@@ skipping 52 matching lines @@
   const int updated_count = model.GetItemCount();
   EXPECT_LT(updated_count, initial_count);
 
   // Remove all, which should remove a folder too.
   GetModel()->RemoveAllUserBookmarks();
   EXPECT_TRUE(observer.GetAndClearChanged());
   EXPECT_LT(model.GetItemCount(), updated_count);
 
   model.RemoveObserver(&observer);
 }